Price: $20
Good overview of what components are used and what they do in the machine. Valves and pumps of all types are described and a section on hydraulic accumulators will prove helpful. In the machine control section a basic description of the electronic circuitry and how it functions is given with an example of a heater circuit. An introduction into PID control and Statistical Process Control is a must-read for everyone in the business.
18pages, 14 figures.